CVE-2026-46258

Summary

In the Linux kernel, the following vulnerability has been resolved:

gpio: cdev: Avoid NULL dereference in linehandle_create()

In linehandle_create(), there is a statement like this: retain_and_null_ptr(lh);

Soon after, there is a debug printout that dereferences "lh", which will crash things.

Avoid the crash by using handlereq.lines, which is the same value.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxda7e394bf58f94e9783379fef7c7fb4411b03208 < 87b9d7a4cfbed5f42af440372026270af997c766affected
LinuxLinuxda7e394bf58f94e9783379fef7c7fb4411b03208 < 6af6be278e3ba2ffb6af5b796c89dfb3f5d9063eaffected
LinuxLinux6.19affected
LinuxLinux0 < 6.19unaffected
LinuxLinux6.19.4 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References